General form of registration statement for all companies including face-amount certificate companies

Schedule of Options Granted and Outstanding (Details)

v3.24.2
Schedule of Options Granted and Outstanding (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]        
Options Outstanding, Balance 54 70 61  
Weighted Average Exercise Price, Balance $ 5.03 $ 5.39 $ 6.10  
Weighted Average Remaining Contractual Life (Years), Options outstanding 5 years 8 months 12 days 5 years 8 months 12 days 7 years 2 months 12 days 8 years 6 months
Aggregate Intrinsic Value  
Options, Granted 5 14  
Weighted Average Exercise Price, Granted $ 0.35 $ 2.24  
Options, Forfeited/Expired (3) (21) (5)  
Weighted Average Exercise Price, Forfeited/Expired $ 6.78 $ 5.19 $ 5.26  
Options Outstanding, Balance 51 54 70 61
Weighted Average Exercise Price, Balance $ 4.95 $ 5.03 $ 5.39 $ 6.10
Aggregate Intrinsic Value
Options, Exercisable 45 46 49  
Weighted Average Exercise Price, Exercisable $ 5.42 $ 5.54 $ 5.84  
Weighted Average Remaining Contractual Life (Years), Options exercisable 5 years 4 months 24 days 5 years 2 months 12 days 6 years 6 months  
Aggregate Intrinsic Value, Exercisable  
Options, Fully vested     $ 49  
Weighted Average Exercise Price, Fully vested   $ 5.54 $ 5.84  
Weighted Average Remaining Contractual Life (Years), Options Fully vested   5 years 2 months 12 days 6 years 6 months  
Aggregate Intrinsic Value, Fully vested    
Options, Option Vested   $ 8 $ 21  
Weighted Average Exercise Price, Option Expected Vested   $ 1.74 $ 4.32  
Weighted Average Remaining Contractual Life (Years), Options Expected vest   8 years 10 months 24 days 8 years 9 months 18 days  
Aggregate Intrinsic Value, Options Expected Vest